Please note the RICHMETERS RM062 is same as FUYI brand FY826, if the RM062 is out of stock, we will send FY826                                 digital sound level meter     Specifacation:                             Frequency weighting           A-Weighted                       Frequency sensing range          31.5Hz-8KHz                       Sound level range           30dB-130dB                       Sound level resolution            0.1dB                       Fast mode sampling time          Every 125ms                       Slow mode sampling time                Every 1000ms                       Less than 30dB overload indication           UN icon                       Over 130dB overload indication          OL icon                       Automatic Shut-down           10 minutes of inactivity                       Low Battery Icon           Less than 6V                       Display           Backlight LCD                      Measurement mode           FAST mode / SLOW mode                      Power          "9V" battery(Not included)                      Operation temperature and humidity           0℃~40℃/32℉~104℉  45%-80%RH                       Certifications           CE / ROHS / FCC                      Dimensions          192mm*53.8mm*35mm                      Weight           Around 169g                           Noise measurement range:30~130dB Noise accuracy:±1.5dB(reference sound pressure level,94dB@1kHz) Frequency response:31.5Hz~8kHz Time weighting (F/S switching): FAST:use 125ms time constant(default use) SLOW:use 1 second time constant(used when the tone value changes greatly) Frequency weighting characteristics:A characteristic(A weight) Digital display:4-digit LCD display Resolution:0.1dB Data retention:have MAX/MIN:YES(large and small value measurements) Flashlight:YES(In the back) Analog bar:YES Low battery indicator:YES Cancel shut off:YES Use battery:1*9V (not include) Working temperature and humidity :0~40C/10%-80% RH Storage temperature and humidity:10~60C/10~70RH Dimensions:192*53.8*35mm            Packing List     FY826 Sound Meter x 1 Maual x 1 battery not included Tripod Bracket not included